<script setup>
import {computed, reactive, ref} from "vue";
import {EditPen, Lock, Message} from "@element-plus/icons-vue";
import {get, post} from "@/net/index.js";
import {ElMessage} from "element-plus";
import router from "@/router/index.js";
const active=ref(0)
const form=reactive({
  email:'',
  code:'',
  password:'',
  password_repeat:''
})

const coldTime=ref(0)
const formRef=ref()
const isEmailValid=computed(()=> /^[\w.-]+@[\w.-]+\.\w+$/.test(form.email))
const validateUsername=(rule,value,callback)=>{
  if(value===''){
    callback(new Error("请输入用户名"))
  }else if (!/^[a-zA-Z0-9\u4e00-\u9fa5]+$/.test(value)){
    callback(new Error('用户名不能包含特殊字符，只能是中/英文'))
  }else{
    callback()
  }
}
const validatePassword=(rule,value,callback)=>{
  if(value===""){
    callback(new Error("请再次输入密码"))
  }else if(value !==form.password){
    callback(new Error('两次输入的密码不一致,请重新输入'))
  }else{
    callback()
  }
}
const rule={
  username:[
    {validator:validateUsername,
      trigger:['blur','chang']},
  ],
  password:[
    {required:true,message:"请输入密码",trigger:'blur'},
    {min:6,max:20,message:'密码的长度必须在6-20个字符之间',trigger:['blur','chang']},
  ],
  password_repeat:[
    {validator:validatePassword,
      trigger:['blur','chang']},
  ],
  email:[
    {required:true,message:"请输入邮箱地址",trigger:'blur'},
    {type:'email',message:'请输入合法的邮箱地址',trigger:['blur','chang']},
  ],
  code:[
    {required:true,message:'请输入获取的验证码',trigger:"blur"}
  ]
}
function askCode(){
  if(isEmailValid){
    coldTime.value=60
    get(`/api/auth/ask-code?email=${form.email}&type=register`,()=>{
      ElMessage.success(`验证码已发送到邮箱:${form.email},请注意查收`)
      const timer = setInterval(() => {
        if (coldTime.value > 0) {
          coldTime.value--;
        } else {
          clearInterval(timer); // 当冷却时间结束，清除定时器
        }
      }, 1000);

    },message => {
      ElMessage.warning(message)
      coldTime.value=0
    })
  }else{
    ElMessage.warning("请输入正确的电子邮件!")
  }
}
function confirmReset(){
  formRef.value.validate((valid)=>{
    if(valid){
      post('/api/auth/reset-confirm',{
        email:form.email,
        code:form.code
      },()=>active.value++)
    }
  })
}
function doReset(){
  formRef.value.validate((valid)=>{
    if(valid){
      post('/api/auth/reset-password',{...form},()=>{
          ElMessage.success("密码重置成功,请重新登录")
          router.push("/")
      })
    }
  })
}
</script>

<template>
<div style="text-align: center">
  <div style="margin-top:30px">
      <el-steps :active="active" finish-status="success" align-center>
        <el-step title="验证电子邮件"/>
          <el-step title="重新设定密码"/>
      </el-steps>
  </div>
  <div style="margin:0 20px" v-if="active === 0">
    <div style="margin-top:80px">
      <div style="font-size:25px;font-weight: bold">重置密码</div>
      <div style="font-size: 14px;color: grey">请输入需要重置密码的电子邮件地址</div>
    </div>
    <div style="margin-top:50px">
      <el-form :model="form" :rules="rule" ref="formRef">
        <el-form-item prop="email">
          <el-input v-model="form.email" type="email" placeholder="电子邮件地址">
            <template #prefix>
              <el-icon><Message/></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="code">
          <el-row>
            <el-col :span="10">
              <el-input v-model="form.code" maxlength="6" type="text" placeholder="请输入验证码">
                <template #prefix>
                  <el-icon><EditPen/></el-icon>
                </template>
              </el-input>
            </el-col>
            <el-col  :span="5">
              <el-button @click="askCode" type="success" :disabled="!isEmailValid||coldTime.value>0">
                {{ coldTime > 0 ? `请稍后${coldTime}秒`:"获取验证码"}}
              </el-button>
            </el-col>
          </el-row>
        </el-form-item>
      </el-form>
    </div>
    <div style="margin-top:80px">
      <el-button @click="confirmReset" style="width:270px" type="warning" plain>开始重置密码</el-button>
    </div>
  </div>
  <div style="margin:0 20px" v-if="active === 1">
    <div style="margin-top:80px">
      <div style="font-size:25px;font-weight: bold">重置密码</div>
      <div style="font-size: 14px;color: grey">请填写你的新密码,务必牢记,防止丢失</div>
    </div>
    <div style="margin-top:50px">
      <el-form :model="form" :rules="rule" ref="formRef">
        <el-form-item prop="password">
          <el-input v-model="form.password" maxlength="20" type="password" placeholder="密码">
            <template #prefix>
              <el-icon><Lock/></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password_repeat">
          <el-input v-model="form.password_repeat" maxlength="20" type="password" placeholder="重复密码">
            <template #prefix>
              <el-icon><Lock/></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <div style="margin-top:80px">
          <el-button @click="doReset" style="width:270px" type="danger" plain>立即重置密码</el-button>
        </div>
      </el-form>
    </div>
  </div>
</div>
</template>

<style scoped>

</style>